My bike is booked to have the tyres changed tomorrow but the battery is dead. I swear I have in the past had charging done with a regular car charger. Its an agm battery and research seems to suggest the car charger is ok. Is it ok to if I keep an eye on it?

My bike is booked to have the tyres changed tomorrow but the battery is dead. I swear I have in the past had charging done with a regular car charger. Its an agm battery and research seems to suggest the car charger is ok. Is it ok to if I keep an eye on it?

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Quote:

Originally Posted by ozbikedude

couldnt see why not naz. its 12v

As long as it doesn't hit it with too many amps. 3 amps would be the max I'd pump into a DR battery from a charger lest it get overheated. If its really dead, maybe a fancy electronic charger like a CTek might make it live again.

My bike is booked to have the tyres changed tomorrow but the battery is dead. I swear I have in the past had charging done with a regular car charger. Its an agm battery and research seems to suggest the car charger is ok. Is it ok to if I keep an eye on it?

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AGM batteries are really fussy about the way they are charged. Personally, I would never use one in a motorcycle. They may be better these days, but they dont like ripple, which is the essence of most motorcycle chargeing mechanisims, especially older ones.

Problem with a lot of bikes, is use cant use a wet cell battery cause they mount the batteries in wierd ways.

As for car chargers, if its the old arlec style 4A transformer type, then bin it. No good for charging small batteries. Find a charger suited to AGM's and GEL batteries.

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Thought I might just drop in a small bit of info on jump starting a bike.
It's fine to jump a bike off a car, even modern efi/ecm jobbies, but you need to do it the right way. I know everyone knows this already, but it's probably handy to post it up again.
First things first.
Never have the car running. Not ever.
Car charging systems are a LOT stronger than a bikes and you run a good chance of cooking something. Leave the car off.
Speaking of off, make sure the bike is switched off. When you are sure, then connect the positive terminals using good quality jump cables. Positive is red/+. Once you are sure of a solid connection on your +, then hook up the black/- side.
The negative or black cable is a little different to set up. Find a good chassis earth point on the bike. Swing arm pivot bolts, peg mounts, someplace like that. You want a really good solid earth point because you hook the negative lead to that, not the battery.
Wait 5 to 10 seconds then hit the starter.
Always be ready to yank the negative cable if needed. It's usually best to have two when you jump a bike, one to do the actual starting and one just to watch the leads/battery.
Doing it like this places less stress on the battery, and reduces the risk of a spark doing nasty things to your electrics. In the worst case it prevents igniting vented gas and going boom.
This is the technique I was shown and it's how we do all our jumps (about 10 a day).
Hope this helps.

Well.. yep I knew the risks and I kept an eye out for overheating but in the end it was my only option, considering.. ahem difficulties, and my appointment for the next morning.
It worked, and I made it to get the tyres done.. they charged me the same as if I took the wheels off.. despite being told not to go there.
Charlie is all go.. had a few rides today and I feel good after 8 months off (yes I know, I am ashamed). More adventures for me and Charlie soon.. hopefully very soon.

Thought I might just drop in a small bit of info on jump starting a bike.
It's fine to jump a bike off a car, even modern efi/ecm jobbies, but you need to do it the right way. I know everyone knows this already, but it's probably handy to post it up again.
First things first.
Never have the car running. Not ever.
Car charging systems are a LOT stronger than a bikes and you run a good chance of cooking something. Leave the car off.
Speaking of off, make sure the bike is switched off. When you are sure, then connect the positive terminals using good quality jump cables. Positive is red/+. Once you are sure of a solid connection on your +, then hook up the black/- side.
The negative or black cable is a little different to set up. Find a good chassis earth point on the bike. Swing arm pivot bolts, peg mounts, someplace like that. You want a really good solid earth point because you hook the negative lead to that, not the battery.
Wait 5 to 10 seconds then hit the starter.
Always be ready to yank the negative cable if needed. It's usually best to have two when you jump a bike, one to do the actual starting and one just to watch the leads/battery.
Doing it like this places less stress on the battery, and reduces the risk of a spark doing nasty things to your electrics. In the worst case it prevents igniting vented gas and going boom.
This is the technique I was shown and it's how we do all our jumps (about 10 a day).
Hope this helps.

nice post mate,as I've never done it from a car its good to know new things

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Sure its been covered.But anyone tried procycle cogent rear shock and front valves on their Dr? .Have had rear shock done by VSM before and run gold vaves in front springsetc and difference was astounding.This is on another dr setting up for adv riding 32 tank etc